1、Drag And Drop
应用：把一个元素拖拽到另一个元素中。
2、Mouse Click Drag
Name: Mouse Click Drag
Source: AutoItLibrary <test library>
Arguments:
[ strButton= | nX1= | nY1= | nX2= | nY2= | nSpeed=-1 ]
method MouseClickDrag
3、 Drag And Drop By Offset
Name: Drag And Drop By Offset
Source: Selenium2Library <test library>
Arguments: [ source | xoffset | yoffset ]
Drags element identified with `source` which is a locator.
Element will be moved by xoffset and yoffset, each of which is a negative or positive number specify the offset.
Examples:
Drag And Drop By Offset myElem 50 -35 # Move myElem 50px right and 35px down.